linux-kernel - [GIT PULL] libnvdimm fixes for v5.2-rc2

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Message-ID: <CAPcyv4ghA3bGeTFw+wVV5N8cb-izpwdi9BQU5Ec6wNTw8ZywMw@mail.gmail.com>
Date:   Sat, 25 May 2019 09:05:03 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-nvdimm <linux-nvdimm@...ts.01.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] libnvdimm fixes for v5.2-rc2

Hi Linus, please pull from:

  git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
tags/libnvdimm-fixes-5.2-rc2

...to receive a regression fix, a small (2 line code change)
performance enhancement, and some miscellaneous compilation warning
fixes. These have soaked in -next the past week with no known issues.
The device-mapper touches have Mike's ack, and the hardened user-copy
bypass was reviewed with Kees.

---

The following changes since commit a188339ca5a396acc588e5851ed7e19f66b0ebd9:

  Linux 5.2-rc1 (2019-05-19 15:47:09 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
tags/libnvdimm-fixes-5.2-rc2

for you to fetch changes up to 52f476a323f9efc959be1c890d0cdcf12e1582e0:

  libnvdimm/pmem: Bypass CONFIG_HARDENED_USERCOPY overhead (2019-05-20
20:43:32 -0700)

----------------------------------------------------------------
libnvdimm fixes v5.2-rc2

- Fix a regression that disabled device-mapper dax support

- Remove unnecessary hardened-user-copy overhead (>30%) for dax
  read(2)/write(2).

- Fix some compilation warnings.

----------------------------------------------------------------
Dan Williams (2):
      dax: Arrange for dax_supported check to span multiple devices
      libnvdimm/pmem: Bypass CONFIG_HARDENED_USERCOPY overhead

Qian Cai (1):
      libnvdimm: Fix compilation warnings with W=1

 drivers/dax/super.c          | 88 ++++++++++++++++++++++++++++----------------
 drivers/md/dm-table.c        | 17 ++++++---
 drivers/md/dm.c              | 20 ++++++++++
 drivers/md/dm.h              |  1 +
 drivers/nvdimm/bus.c         |  4 +-
 drivers/nvdimm/label.c       |  2 +
 drivers/nvdimm/label.h       |  2 -
 drivers/nvdimm/pmem.c        | 11 +++++-
 drivers/s390/block/dcssblk.c |  1 +
 include/linux/dax.h          | 26 +++++++++++++
 10 files changed, 129 insertions(+), 43 deletions(-)